Excerpt from The Diamonds, Coal, and Gold of India: Their Mode of Occurrence and Distribution In spite of the fact that the systematic exploration of the Geolog
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced